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debug min_max

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-12-18 09:14:10 +02:00
parent eb1b578bfb
commit 392b419367
2 changed files with 6 additions and 2 deletions
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4
src/smt/theory_arith_aux.h
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@ -930,6 +930,9 @@ namespace smt {
template<typename Ext>
bool theory_arith<Ext>::is_safe_to_leave(theory_var x) {
if (get_context().is_shared(get_enode(x))) {
return false;
}
column & c = m_columns[x];
typename svector<col_entry>::iterator it = c.begin_entries();
typename svector<col_entry>::iterator end = c.end_entries();
@ -939,6 +942,7 @@ namespace smt {
theory_var s = r.get_base_var();
numeral const & coeff = r[it->m_row_idx].m_coeff;
bool is_unsafe = (s != null_theory_var && is_int(s) && !coeff.is_int());
is_unsafe = is_unsafe || (s != null_theory_var && get_context().is_shared(get_enode(s)));
TRACE("opt", tout << "is v" << x << " safe to leave for v" << s << "? " << (is_unsafe?"no":"yes") << "\n";
display_row(tout, r, true););
if (is_unsafe) return false;